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Aluminum lightweighting does, in fact, save fuel

When the best-selling US truck sheds the equivalent weight of three football fullbacks by shifting to aluminum, folks start paying attention. Oak Ridge National Laboratory took a closer look at whether the reduced fuel consumption from a lighter aluminum body makes up for the fact that producing aluminum is far more energy intensive than steel. And the results of the study are pretty encouraging. In a nutshell, the energy needed to produce a vehicle's raw materials accounts for about 10 percent of a typical vehicle's carbon footprint during its total lifecycle, and that number is up from six percent because of advancements in fuel economy (fuel use is down to about 68 percent of total emissions from about 75 percent). Still, even with that higher material-extraction share, the fuel-efficiency gains from aluminum compared to steel will offset the additional vehicle-extraction energy in just 12,000 miles of driving, according to the study. That means that, from an environmental standpoint, aluminum vehicles are playing with the house's money after just one year on the road. Aluminum-sheet construction got topical real quickly earlier this year when Ford said the 2015 F-150 pickup truck would go to a 93-percent aluminum body construction. In addition to aluminum being less corrosive than steel, that change caused the F-150 to shed 700 pounds from its curb weight. And it looks like the Explorer and Expedition SUVs may go on an aluminum diet next. Take a look at SAE International's synopsis of the Oak Ridge Lab's study below. Life Cycle Energy and Environmental Assessment of Aluminum-Intensive Vehicle Design Advanced lightweight materials are increasingly being incorporated into new vehicle designs by automakers to enhance performance and assist in complying with increasing requirements of corporate average fuel economy standards. To assess the primary energy and carbon dioxide equivalent (CO2e) implications of vehicle designs utilizing these materials, this study examines the potential life cycle impacts of two lightweight material alternative vehicle designs, i.e., steel and aluminum of a typical passenger vehicle operated today in North America. LCA for three common alternative lightweight vehicle designs are evaluated: current production ("Baseline"), an advanced high strength steel and aluminum design ("LWSV"), and an aluminum-intensive design (AIV).

Plug In 2014: ALTe ready to join Ford's EQVM to convert, sell F-150 PHEV [w/video]

It's been a while since we've checked in with ALTe and its plans to convert big work vehicles like the Ford F-150 into plug-in hybrids. So, when we saw a demonstration vehicle sitting outside the San Jose Convention Center at the Plug In 2014 Conference last week, we had to get a closer look. When we did, we realized that it's been quite some time since we've been in a Ride & Drive vehicle that was all beat to heck. It's been quite some time since we've been in a Ride & Drive vehicle that was all beat to heck. The reason for the well-worn F-150 with 30,000 miles on it is that ALTe has been showing off its extended-range EV technology to lots of people all around the country, and Kyle Maki has been the man on the scene more often than not. "This one, I've taken all over the country," he told AutoblogGreen. "I've wore out that seat, I think. The only reason this one wasn't driven here was because we were in Charlotte [NC] last week and I didn't want to take a chance and not make it in time for this event." In other words, ALTe is out there, ginning up excitement for the idea of a plug-in hybrid Ford with an electric range of up to 40 miles and which can then continue on gas for another 360 miles at around about 25 miles per gallon. ALTe wants to not only convert new vehicles but it also offers retrofits for fleets that are happy with their current fleet. The company offers converted versions of the Ford E350 and E450 utility vehicles now but the near-mythical F-150 PHEV is still "coming soon." Yes, orders are now being accepted, but you will be forgiven if you think this is all happening on a slow time scale. There are simply a lot of things to do before ALTe can sell the truck. ALTe is currently attempting to join Ford's EQVM program, which is the electric version of the standard Qualified Vehicle Modifiers program. The QVM program requires coachbuilders to "be successfully evaluated by Ford Motor Company on criteria such as engineering, the manufacturing process, quality control, and adherence to Ford and Lincoln Divisions guidelines." Qualified applicants must also meet all applicable Federal Motor Vehicle Safety Standards, conform to Ford/Lincoln conversion guidelines and agree to be inspected annually as well as have a "commitment to continuous improvement." Maki has a simpler explanation. "It basically means you're a preferred supplier, a Tier 1, if you will," he said.

Diesel Power finds the ultimate modified oil-burner

For nine years, Diesel Power magazine has run the Diesel Power Challenge, this year's grindfest being "a week-long torture test that features seven events, nine trucks, 8,000 horsepower, and nearly 15,000 pound-feet of torque." The road to being crowned "the most powerful truck" starts with a dyno run, and then continues through the completion of a CDL-style obstacle course, an eighth-of-a-mile drag race while towing a 10,000-pound trailer, a quarter-mile drag race without a trailer, a fuel economy test in the mountains and finally a sled-pulling test through a 300-foot-long packed-mud pit.
What kind of trucks get into such a fight? Last year's winner, for instance - who upgraded his truck this year to prove he didn't "luck into the win" - drives a 2008 Ford F-250 Super Duty with a 6.4-liter Power Stroke V8 upgraded with a custom intake, Elite Diesel triple turbos and a two-stage nitrous system. Another competitor has a 2005 Dodge Ram 2500 powered by a 5.9-liter Cummins inline-six, upgraded with Garrett turbos, dual-stage nitrous, a seven-inch exhaust stack and twin fans built into the bed to cool the Sun Coast Omega transmission. The numbers on that truck: 1,255 horsepower, and 2,063 pound-feet of torque at the wheels. Naturally, as the image above might suggest, things don't always end well.
You'll find all five videos covering this years challenge below. A scene in the dyno video sums it all up perfectly: a competitor leaves his nitrous on too long and the crew is treated to some ominous poppings, he leans out the window, throws both hands up and shouts, "Amer'ca!"